On Sun, Jun 10, 2007 at 09:10:15PM +0200, Jörn Engel wrote:
> I don't think logfs on block devices makes too much sense yet, so my
> personal priority for this is low. Still, an obvious improvement.
I see it as a good candidate to replace JFFS2 on CompactFlash. That
one is becoming painfully sl
On Sun, 10 June 2007 20:33:05 +0200, Arnd Bergmann wrote:
>
> Then maybe the submit_bio logic should only be done for the ->write
> path, not for ->read. The data that gets written out should already
> be present in the page cache for the files, so there is not much point
> having again, while you
On Sunday 10 June 2007, Jörn Engel wrote:
> On Sun, 10 June 2007 18:27:49 +0200, Arnd Bergmann wrote:
> > On Sunday 03 June 2007, Jörn Engel wrote:
> > How about using submit_bio here instead of going to the page cache?
> > That would avoid doubling all the memory consumption here.
>
> That may m
On Sun, 10 June 2007 18:27:49 +0200, Arnd Bergmann wrote:
> On Sunday 03 June 2007, Jörn Engel wrote:
> > +static int mtdwrite(struct super_block *sb, loff_t ofs, size_t len, void
> > *buf)
> > +{
> > + struct logfs_super *super = logfs_super(sb);
> > + struct mtd_info *mtd = super->s_mtd;
> >
On Sunday 03 June 2007, Jörn Engel wrote:
> +static int mtdread(struct super_block *sb, loff_t ofs, size_t len, void *buf)
> +{
> + struct mtd_info *mtd = logfs_super(sb)->s_mtd;
> + size_t retlen;
> + int ret;
> +
> + ret = mtd->read(mtd, ofs, len, &retlen, buf);
> + BUG_ON(ret
--- /dev/null 2007-03-13 19:15:28.862769062 +0100
+++ linux-2.6.21logfs/fs/logfs/super.c 2007-06-03 19:18:57.0 +0200
@@ -0,0 +1,521 @@
+/*
+ * fs/logfs/super.c
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2007 Joern Engel
+ *
+ * General
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